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ENVISION SERIES INSTALLATION MANUAL

Pressure/Temperature Coversion Chart for R-410A

PRESSURE  

(PSIG)

TEMP 

°F

PRESSURE  

(PSIG)

TEMP 

 °F

PRESSURE  

(PSIG)

TEMP  

°F

PRESSURE  

(PSIG)

TEMP 

 °F

PRESSURE  

(PSIG)

TEMP  

°F

60

8.5

180

63.5

300

96.3

420

120.6

540

140.0

62

9.9

182

64.2

302

96.8

422

120.9

542

140.3

64

11.2

184

64.8

304

97.2

424

121.3

544

140.6

66

12.5

186

65.5

306

97.7

426

121.6

546

140.9

68

13.8

188

66.1

308

98.1

428

122.0

548

141.2

70

15.1

190

66.8

310

98.6

430

122.3

550

141.4

72

16.3

192

67.4

312

99.0

432

122.7

552

141.7

74

17.5

194

68.0

314

99.5

434

123.0

554

142.0

76

18.7

196

68.7

316

99.9

436

123.4

556

142.3

78

19.8

198

69.3

318

100.4

438

123.7

558

142.6

80

21.0

200

69.9

320

100.8

440

124.1

560

142.9

82

22.1

202

70.5

322

101.2

442

124.4

562

143.2

84

23.2

204

71.1

324

101.7

444

124.8

564

143.5

86

24.3

206

71.7

326

102.1

446

125.1

566

143.7

88

25.4

208

72.3

328

102.5

448

125.4

568

144.0

90

26.5

210

72.9

330

103.0

450

125.8

570

144.3

92

27.5

212

73.5

332

103.4

452

126.1

572

144.6

94

28.6

214

74.1

334

103.8

454

126.5

574

144.9

96

29.6

216

74.7

336

104.2

456

126.8

576

145.1

98

30.6

218

75.3

338

104.7

458

127.1

578

145.4

100

31.6

220

75.8

340

105.1

460

127.5

580

145.7

102

32.6

222

76.4

342

105.5

462

127.8

582

146.0

104

33.5

224

77.0

344

105.9

464

128.1

584

146.2

106

34.5

226

77.5

346

106.3

466

128.5

586

146.5

108

35.4

228

78.1

348

106.7

468

128.8

588

146.8

110

36.4

230

78.7

350

107.2

470

129.1

590

147.1

112

37.3

232

79.2

352

107.6

472

129.4

592

147.3

114

38.2

234

79.8

354

108.0

474

129.8

594

147.6

116

39.1

236

80.3

356

108.4

476

130.1

596

147.9

118

40.0

238

80.9

358

108.8

478

130.4

598

148.2

120

40.9

240

81.4

360

109.2

480

130.7

600

148.4

122

41.7

242

81.9

362

109.6

482

131.1

602

148.7

124

42.6

244

82.5

364

110.0

484

131.4

604

149.0

126

43.4

246

83.0

366

110.4

486

131.7

606

149.2

128

44.3

248

83.5

368

110.8

488

132.0

608

149.5

130

45.1

250

84.1

370

111.2

490

132.3

132

45.9

252

84.6

372

111.6

492

132.7

134

46.7

254

85.1

374

112.0

494

133.0

136

47.5

256

85.6

376

112.3

496

133.3

138

48.3

258

86.1

378

112.7

498

133.6

140

49.1

260

86.6

380

113.1

500

133.9

142

49.9

262

87.1

382

113.5

502

134.2

144

50.7

264

87.7

384

113.9

504

134.5

146

51.5

266

88.2

386

114.3

506

134.9

148

52.2

268

88.7

388

114.7

508

135.2

150

53.0

270

89.2

390

115.0

510

135.5

152

53.7

272

89.6

392

115.4

512

135.8

154

54.5

274

90.1

394

115.8

514

136.1

156

55.2

276

90.6

396

116.2

516

136.4

158

55.9

278

91.1

398

116.5

518

136.7

160

56.6

280

91.6

400

116.9

520

137.0

162

57.4

282

92.1

402

117.3

522

137.3

164

58.1

284

92.6

404

117.6

524

137.6

166

58.8

286

93.0

406

118.0

526

137.9

168

59.5

288

93.5

408

118.4

528

138.2

170

60.2

290

94.0

410

118.7

530

138.5

172

60.8

292

94.5

412

119.1

532

138.8

174

61.5

294

94.9

414

119.5

534

139.1

176

62.2

296

95.4

416

119.8

536

139.4

178

62.9

298

95.8

418

120.2

538

139.7

Содержание NDZ 022 A11AC

Страница 1: ...uperheater Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM1592 06 07 Envision Series Geothermal Indoor Split Heat Pumps R 410A Refrigerant 2 6 Ton Single Speed 2 6...

Страница 2: ...6 1 59 56 1 59 74 2 1 90 2 55 92 2 61 108 3 06 52 1 47 56 1 59 90 2 55 92 2 61 104 2 95 Coax and Water Piping Water Connections Size Swivel in mm 1 25 4 HWG Connection Size Swivel in mm 1 25 4 Coax Pi...

Страница 3: ...ed Loop Ground Source Systems 12 Desuperheater 13 14 Electical Data 14 Thermostat Wiring 15 Wiring Schematics 16 17 Microprocessor Control Features and Operation 18 19 Operation Logic Data 20 DIP Swit...

Страница 4: ...are located in unconditioned spaces to prevent damage from frozen water lines and excessive heat that could damage electrical components Air Coil Location Refer to the air handler manufacturer s instr...

Страница 5: ...ing an Envision Split to an air handler coil Select R 410A components only Select 12 SEER or higher air handler coil Match the air handler to the air handler coil data table on page 9 Indoor matching...

Страница 6: ...e capacity of the unit refer to page 9 Line sets should be routed as di rectly as possible avoiding unnecessary bends or turns All wall penetrations should be sealed properly Line set should not come...

Страница 7: ...oil should be located in the supply side of the furnace to avoid condensation damage to the furnace heat exchanger A high temperature limit should be installed upstream of the coil to de energize the...

Страница 8: ...swivel connector prior to attempting any connection The rubber seals are shipped attached to the waterline To make the connec tion to a ground loop system mate the brass connector supplied in CK4L con...

Страница 9: ...8 OD 3 4 OD 3 8 OD 7 8 OD 1 2 OD 74 NZ048 NAH060 3 4 OD 3 8 OD 7 8 OD 3 8 OD 7 8 OD 1 2 OD 90 NZ060 NAH060 7 8 OD 1 2 OD 7 8 OD 1 2 OD 1 1 8 OD 1 2 OD 92 NZ070 NAH060 7 8 OD 1 2 OD 7 8 OD 1 2 OD 1 1 8...

Страница 10: ...storm sewer drain field adjacent stream or pond etc Most local codes forbid the use of sanitary sewer for disposal Consult your local building and zoning depart ments to ensure compliance in your are...

Страница 11: ...iron bacteria will be pres ent a closed loop system is recommended The heat exchanger coils in ground water systems may over a period of time lose heat exchange capabilities due to a buildup of miner...

Страница 12: ...in the specification cata log Usually 2 5 to 3 GPM of flow per ton of cooling capacity is recommended in earth loop applications Multiple Units on One Flow Center When two units are connected to one l...

Страница 13: ...erheater pump to operate during these conditions actually removes heat from the DHW circulating through the unit To overcome this Envision unit microprocessors have been programmed to disengage the de...

Страница 14: ...ndicator plug 1 turn on the motor end of the pump until all air is purged from the pump then tighten the plug Use vent couplings to bleed air from the lines 6 Carefully inspect all plumbing for water...

Страница 15: ...ay Note Field installed DPST dual fuel relay Required for dual fuel installation Auxiliary Heat Relay P2 P1 Shut Down chassis Envision Split Auxiliary Heat Relay HWA Ext Total Min Max Pump Loop Unit C...

Страница 16: ...lug Ground Fuse CC CO CR1 CR2 CR3 CR4 F1 and F2 WCL HE HP LP PB1 PB2 PS RV SW1 SW2 SW3 SW4 TS Compressor Contactor Condensate overflow sensor DHW pump relay Loop pump relay Fuses Water Coil Limit Sens...

Страница 17: ...ON for unzoned Dual Cap E Series or Premier 2 speed units Thermistor Light emitting diode Green Relay coil Capacitor w bleed resistor Switch Condensate overflow Switch High pressure Switch Low pressur...

Страница 18: ...ons resume on the next compressor cycle or after 15 minutes of continuous compressor operation during the current thermostat demand cycle Hot Water Justification Since compressor hot gas temperature i...

Страница 19: ...ard Fan G only The fan starts on low speed PSC ON Regardless of fan input G from thermostat the fan will remain on low speed for 30 seconds at the end of each heating cooling or emergency heat cycle L...

Страница 20: ...ondary 1 Out On On On Off On On Emerg LED Off Off Off On Off Off Off T Stat Signal Y1 Y1 Y2 Y1 Y2 W W Y1 O Y1 Y2 O G DUAL CAPACITY UNITS Compressor Lo On Off Off Off On Off Compressor Hi Off On On Off...

Страница 21: ...play viewed at LEDs 7 Output Diagnostics Allows viewing the outputs from the control board such as the compressor reversing valve blower hot water pump and loop pump on the LED display Diagnostic Outp...

Страница 22: ...hould be painted with UV resistant paint or covering to insure long insulation life Fasten the copper line set to the blower coil unit as instructed by the coil installation instructions shown in Figu...

Страница 23: ...ling should rise and the superheat should fall until 8 16 degrees of superheat is reached when the TXV should be metering the system See operating details in the startup section of this manual for exa...

Страница 24: ...e liquid line just outside the split cabinet This location will be adequate for measurement in both modes unless a significant temperature drop in the liquid line is anticipated Measure the liquid lin...

Страница 25: ...6 128 5 586 146 5 108 35 4 228 78 1 348 106 7 468 128 8 588 146 8 110 36 4 230 78 7 350 107 2 470 129 1 590 147 1 112 37 3 232 79 2 352 107 6 472 129 4 592 147 3 114 38 2 234 79 8 354 108 0 474 129 8...

Страница 26: ...Suction Pressure PSIG Discharge Pressure PSIG Superheat Subcooling Water Temp Drop F Air Temp Rise F DB 1 5 69 81 254 334 7 13 5 13 7 10 18 24 3 0 75 87 260 340 7 14 5 13 3 6 20 26 1 5 98 113 293 373...

Страница 27: ...9 14 7 15 8 12 24 28 3 0 140 160 335 390 9 14 7 15 6 10 22 30 Second Stage Operation Suction Pressure PSIG Discharge Pressure PSIG Superheat Subcooling Water Temp Rise F Air Temp Drop F DB 1 5 120 13...

Страница 28: ...e cooling mode Cooling setpoint must be set below room temperature 3 First stage cooling will energize after a time delay 4 Be sure that the compressor and water control valve or loop pump s are activ...

Страница 29: ...ation papers Final Evaluation After the initial check of superheat subcooling values in the heating mode shut off the unit and allow it to sit 3 to 5 min utes until pressures equalize Restart the unit...

Страница 30: ...sure suction temperature here at TXV bulb in cooling modes Cooling Cycle Analysis COOLING TXV ACTIVE RIGHT TO LEFT ClgTXV Measure liquid line temperature and pressure here in both heating and cooling...

Страница 31: ...4 18 6 0 5 7 5 3 4 9 4 6 21 7 8 7 3 6 8 6 4 5 9 10 2 3 2 1 2 0 1 9 1 7 13 3 6 3 3 3 0 2 8 2 6 16 5 0 4 6 4 3 4 0 3 7 19 6 5 6 2 5 8 5 4 5 0 5 30 06 038 full load 049 part load 064 full load 072 part l...

Страница 32: ...ed and super heat and subcooling numbers calculated If superheat and subcooling are outside recommended ranges an adjustment to the refrigerant charge may be necessary Notes Refrigerant tests must be...

Страница 33: ...essary Units should never be operated without a filter Condensate Drain In areas where airborne bacteria produce a slime in the drain pan it may be necessary to treat chemically to minimize the proble...

Страница 34: ...0 UNIT DEPTH D 1 93 D 2 21 WATER IN E 6 93 E 7 21 WATER OUT F 8 44 F 9 21 BRASS SERVICE VALVE LIQUID G 11 55 G 12 14 BRASS SERVICE VALVE GAS H 13 43 H 15 83 DESUPERHEATER IN J 16 43 J 18 83 DESUPERHEA...

Страница 35: ...35 ENVISION SERIES INSTALLATION MANUAL Installation Notes...

Страница 36: ...duct research and development and reserves the right to change design and specifications without notice 2007 WFI Product Envision Series Type Geothermal Indoor Split Heat Pumps Size 2 thru 5 5 Ton Sin...

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